期末作品检查

@app.route(‘/login/‘,methods=[‘GET‘,‘POST‘])
def login():
    if request.method == "GET":
        return render_template("login.html")
    else:
        username = request.form.get("username")
        password1 = request.form.get("password")
        user = User.query.filter(User.username == username).first()
        if user:
            if user.check_password(password1):
                session[‘user‘] = username
                session[‘userid‘] = user.id
                sessionpermanent = True
                return redirect(url_for(‘homepage‘))
            else:
                return ‘password error‘
        else:
            return ‘username is not existed‘

function fnLogin() {
        var uname = document.getElementById("name")
        var uError = document.getElementById("error_box")
        var upassword = document.getElementById("password")
        var upasswordagain = document.getElementById("passwordagain")
        var isError =true;
        uError.innerHTML="<br>"
         if(uname.value.length<6 || uname.value.length >20){
        uError.innerHTML="用户名应为6到20字符";
        isError = false;
         return isError;
    }else if ((uname.value.charCodeAt(0)>=48) && (uname.value.charCodeAt(0)<=57)){
        uError.innerHTML="第一位只能是字母";
        isError = false;
         return isError;
    }
    if(upassword.value.length<6 || upassword.value.length>12){
        uError.innerHTML="密码应为6到20字符";
        isError = false;
         return isError;
    }
    return isError;
    window.alert("登录成功")
}

@app.route("/register/",methods=[‘GET‘,‘POST‘])
def register():
    if request.method == "GET":
        return render_template("register.html")
    else:
        username = request.form.get("username")
        password = request.form.get("password")
        user = User.query.filter(User.username == username).first()
        if user:
            return ‘username existed.‘
        else:
            user = User(username=username, password=password)
            db.session.add(user)
            db.session.commit()
            return redirect(url_for(‘login‘))

function fnLogin() {
        var uname = document.getElementById("name")
        var uError = document.getElementById("error_box")
        var upassword = document.getElementById("password")
        var upasswordagain = document.getElementById("passwordagain")
        var isError =true;
         if(uname.value.length<6 || uname.value.length >20){
        uError.innerHTML="用户名应为6到20字符";
        isError = false;
         return isError;
    }else if ((uname.value.charCodeAt(0)>=48) && (uname.value.charCodeAt(0)<=57)){
        uError.innerHTML="第一位只能是字母";
        isError = false;
        return isError;
    } else for (var i=0 ; i<uname.value.length;i++){
        if (uname.value.charCodeAt(i)<48 || (uname.value.charCodeAt(i)>57)&&(uname.value.charCodeAt(i)<97)|| uname.value.charCodeAt(i)>122){
            uError.innerHTML="用户名只能为数字或者字母";
           isError = false;
         return isError;
        }
    }
    if(upassword.value.length<6 || upassword.value.length>12){
        uError.innerHTML="密码应为6到20字符";
       isError = false;
         return isError;
    }
    if (upasswordagain.value!=upassword.value ) {
        uError.innerHTML = "重新输入你的密码";
       isError = false;
         return isError;
    }
    return isError;
    window.alert("注册成功") 
}

@app.route(‘/question/‘, methods=[‘GET‘ , ‘POST‘])
@log
def question():
    if request.method == ‘GET‘:
        return render_template(‘question.html‘)
    else:
        question = request.form.get(‘question‘)
        questionDetail = request.form.get(‘questionDetail‘)
        author_id = User.query.filter(User.username == session.get(‘user‘)).first().id
        question = Question(question = question, questionDetail = questionDetail, author_id = author_id)
        db.session.add(question)
        db.session.commit()
        return redirect(url_for(‘homepage‘))

@app.route(‘/comment/‘,methods=[‘GET‘,‘POST‘])
@loginFirst
def comment():
    if request.method == ‘GET‘:
        return render_template(‘question_detail.html‘)
    else:
        detail = request.form.get(‘detail‘)
        author_id =User.query.filter(User.username == session.get(‘user‘)).first().id
        question_id=request.form.get(‘question_id‘)
        comments = Comment(detail=detail,author_id=author_id,question_id=question_id)
        db.session.add(comments)
        db.session.commit()
        return redirect(url_for(‘question_detail‘,question_id=question_id))

{% extends ‘index.html‘ %}
{% block title %}问答详情{% endblock %}
{% block main %}
    <body style="url(../image/picture.jpg) no-repeat" >
         <div class="container">

             <div>
                 <h2>{{ ques.question }}<br><small>{{ ques.author.username }} <span class="badge">{{ ques.creat_time }}</span></small></h2></div>
             问题详情：<p class="lead">{{ ques.questionDetail }}</p>
             <p class="location">评论</p>

        <hr>
        <form action="{{ url_for(‘comment‘) }}" method="post">
            <div class="form-group">
                <textarea name="new_comment" class="form-control" id="new_comment" rows="3" placeholder="write your comment"style="height:200px;width:800px" ></textarea><br>
                <input name="question_id" type="hidden" value="{{ ques.id }}"/>
            </div>
                <button type="submit" class="fabu"style="width:100px">发布</button>
        </form>

             <h4>评论:（{{ ques.comments|length }}）</h4>
         </div>

         <ul class="list-group"style="width:700px;height:auto;border-style:groove;">
        {% for b in ques.comments %}
        <li class="list-group-item"style="list-style: none">
            <span class="glyphicon glyphicon-heart-empty" aria-hidden="true"></span>
            <a href="#">{{ b.author.username }}</a>
            <span class="badge">{{b.creat_time}}</span>
            <p style="">{{b.detail}}</p>
        </li>
{% endfor %}
        </ul>
    </body>
{% endblock %}

    <li role="presentation"><a href="{{ url_for(‘self‘,user_id=user.id,tag=‘1‘) }}">全部问答</a> </li>
    <li role="presentation"><a href="{{ url_for(‘self‘,user_id=user.id,tag=‘2‘) }}">全部评论</a> </li>
    <li role="presentation"><a href="{{ url_for(‘self‘,user_id=user.id,tag=‘3‘) }}">个人信息</a> </li>

@app.route(‘/search/‘)
def search():
    qu=request.args.get(‘q‘)
    ques=Question.query.filter(
        or_(
            Question.title.contains(qu),
            Question.detail.contains(qu)
        )
    ).order_by(‘-creatTime‘)
    return render_template(‘index.html‘,question=ques)

  function mySwitch(){
            var uBody=document.getElementById("myBody");
            var Onoff=document.getElementById("myOnOff");
            if(Onoff.src.match("bulbon")){
                Onoff.src="https://www.runoob.com/images/pic_bulboff.gif";
                uBody.style.background="black";
                uBody.style.color="white";
            }else{
                Onoff.src="https://www.runoob.com/images/pic_bulbon.gif";
                uBody.style.background="white";
                uBody.style.color="black";
            }
        }